/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.db.mpp.transformation.dag.transformer.binary;

import org.apache.iotdb.db.mpp.transformation.api.LayerPointReader;
import org.apache.iotdb.db.mpp.transformation.dag.util.TransformUtils;

public class CompareGreaterThanTransformer extends CompareBinaryTransformer {

    public CompareGreaterThanTransformer(
            LayerPointReader leftPointReader, LayerPointReader rightPointReader) {
        super(leftPointReader, rightPointReader);
    }

    @Override
    protected Evaluator constructNumberEvaluator() {
        return () ->
                Double.compare(
                        castCurrentValueToDoubleOperand(leftPointReader, leftPointReaderDataType),
                        castCurrentValueToDoubleOperand(rightPointReader, rightPointReaderDataType))
                        > 0;
    }

    @Override
    protected Evaluator constructTextEvaluator() {
        return () ->
                TransformUtils.compare(
                        leftPointReader.currentBinary().getStringValue(),
                        rightPointReader.currentBinary().getStringValue())
                        > 0;
    }
}
